Two years ago, teenage pregnancy mainly happened to college and senior high school students,he said.
Two years ago, teenage pregnancy mainly happened to college and senior high school students,he said.
“两年前，早孕主要集中在大学生和高中生这两大人群。”
Two years ago, teenage pregnancy mainly happened to college and senior high school students,he said.
“两年前，早孕主要集中在大学生和高中生这两大人群。”